Cathode Ray Tube

- Jan 09, 2020-

Cathode ray tube

A cathode ray tube is a type of cathode ray tube that can reduce the power consumption of a cathode heater. Among them, the indirectly heated cathode structure has a metal substrate with a layer of thermionic emission material; a base for holding the base metal is provided at one end portion, and a tubular sleeve for storing free electrons of the heater is also provided inside; the main part of the heater The tube diameter is large, the tube diameter on the side of the leg of the heater is small, and it is also a special-shaped support body that supports the sleeve.